Finding the Fourth Proportional to 1,534,030,129.64, 2,301,031,315.86 and 484,768,505.90
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Solution
The fourth proportional to 1,534,030,129.64, 2,301,031,315.86 and 484,768,505.90 is: 727,148,373.07
Step by Step Solution
- Step 1: Write the proportion equation
1,534,030,129.64 : 2,301,031,315.86 = 484,768,505.90 : x - Step 2: Convert to fraction form
1,534,030,129.64/2,301,031,315.86 = 484,768,505.90/x - Step 3: Cross multiply
1,534,030,129.64x = 2,301,031,315.86 × 484,768,505.90 - Step 4: Simplify right side
1,534,030,129.64x = 1,115,467,513,007,058,048 - Step 5: Solve for x
x = 1,115,467,513,007,058,048/1,534,030,129.64 - Step 6: Final answer
x = 727,148,373.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.